Staggering Blow

Requirements You're riding a megafauna companion that has a melee Strike. You've trained your megafauna companion to stagger its enemies, impeding their ability to fight back. You to order your megafauna companion to spend both its actions making a single, powerful Strike. The attack deals an extra die of weapon damage, and if the attack hits and deals damage, the target is Slowed 1 until the end of its next turn.